New upstream version 2.0-0.9

INSTALL

@@ -6,7 +6,7 @@ building and installing dosemu2 from sources
       https://code.launchpad.net/~dosemu2/+archive/ubuntu/ppa
       of from COPR:
       https://copr.fedorainfracloud.org/coprs/stsp/dosemu2/
-    - gcc >= 8.1 or clang >= 3.7.0
+    - gcc >= 3.3 or clang >= 3.7.0
     - glibc >= 2.20
     - linux >= 3.16 for x86-64, >= 4.7 recommended.
       With older version than 3.16 there may be some problems
@@ -14,8 +14,11 @@ building and installing dosemu2 from sources
       linux >= 4.3 for i386.
       linux >= 4.11 if you want to run 32bit dosemu under x86_64 kernel
       with multilib environment (you likely don't want to do this).
+    - x86 (i386/x86-64) target CPU
     - bison and flex
-    - SDL >= 2.0.6, >= 2.26.0 is required for copy/paste support.
+    - SDL >= 2.0.6, >= 2.0.15 is recommended (older versions may not have
+      scaling filters and KMS rendering working).
+    - udev >= 240 recommended for KVM (execution acceleration)
     - libslirp >= 4.1.0 recommended for networking
     - json-c >= 0.13 recommended
     - development libraries: Xext, slang, gpm, alsa, fluidsynth,